Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Overcast

55°F

13°C

Humidity 96%
Wind Speed SSE 4 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Mar 01:26 AM PDT
Extended Forecast for

Renton Municipal WA

Flood Watch March 20, 01:40am until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 01:40am until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • Overnight

    Low: 53 °F

    Rain

  • Friday

    Friday: Rain, mainly before 2pm.  High near 58. South southwest wind 9 to 11 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 41. Southwest wind 5 to 8 mph becoming northeast after midnight.  Chance of precipitation is 30%.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 11am.  Partly sunny, with a high near 51. North northeast wind 3 to 6 mph.

    High: 51 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 38. North wind 5 to 7 mph becoming south in the evening.

    Low: 38 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain. Low around 53. South wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 2pm. High near 58. South southwest wind 9 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 41. Southwest wind 5 to 8 mph becoming northeast after midnight. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers, mainly before 11am. Partly sunny, with a high near 51. North northeast wind 3 to 6 mph.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38. North wind 5 to 7 mph becoming south in the evening.
Sunday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly cloudy, with a high near 54.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 42.
Tuesday
Rain. Cloudy, with a high near 54.
Tuesday Night
Rain. Mostly cloudy, with a low around 42.
Wednesday
Rain likely. Mostly cloudy, with a high near 52.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Thursday
A slight chance of rain. Partly sunny, with a high near 54.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Renton Municipal WA
 47.49°N 122.22°W (Elev. 82 ft)
11:27 pm PDT Mar 19, 2026
1am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database